%% You should probably cite rfc8768 instead of this I-D. @techreport{ietf-core-hop-limit-04, number = {draft-ietf-core-hop-limit-04}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-core-hop-limit/04/}, author = {Mohamed Boucadair and Tirumaleswar Reddy.K and Jon Shallow}, title = {{Constrained Application Protocol (CoAP) Hop-Limit Option}}, pagetotal = 8, year = 2019, month = jul, day = 3, abstract = {The presence of Constrained Application Protocol (CoAP) proxies may lead to infinite forwarding loops, which is undesirable. To prevent and detect such loops, this document specifies the Hop-Limit CoAP option.}, }